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How to make a Rug Pull in Pump Fun (Post for educational purposes)

In this post I am going to explain step by step how the Rug Pull mechanism works in Pump Fun, by which many people are making huge sums of money in a very controversial way.

This type of strategy is implemented in both Raydium and Pump Fun and concludes an illegitimate way to make money with meme coins. The vast majority of tokens nowadays are Rug Pull and are due to this, to the profits it generates.

If we only look at the profits, in the short term it may seem like a good idea to do it, but it does not compare to the money that can be made by launching a good project that can generate income every month without even moving a hair and being worried about executing this type of practice.

What I am going to explain below serves to tell you how these people execute the rug pull strategy and get money out of the blockchain in a matter of minutes and is for educational purposes.

How to make a Rug Pull in Pump Fun

Pump Fun is the most recurrent platform to do so. To do so, ruggers have a secret technique called Bundle Launch, which consists of launching the token in pump fun but making a purchase with different wallets of the same token within the same block (that is, instantly).

Illustration explaining how a Pump.fun Bundler works, comparing token trading with and without a bundler. The left side shows a scenario without a bundler, where snipers buy and sell quickly, taking profits and removing liquidity. The right side demonstrates how a bundler prevents snipers from hitting their profit targets, keeping liquidity in the pool. The image is branded with the Smithii logo.

This causes the snipers who buy the token not to execute the sell order, causing the bots money to remain inside the token.

To run the bundle they use a Pump Fun Bundler like the one in the picture and run the following:

Pump Fun Bundler tool
  1. Add your social links (optional but recommended)
  2. Set up automatic purchase at launch: Add the private key of the wallet from which you will purchase your own tokenSmithii does not store any keys) and define how many SOL you will invest in the initial purchase from that wallet.
  3. Repeat these steps to add multiple wallets. It is very important to save all these wallets for the next step.
  4. Click "Pump Launch & Buy".

Then, these people use tools like comment bots and market makers to increase the activity of the token and reach the top of the Pump Fun page. When a token reaches the home page the difference is thousands of dollars, but when it reaches King of The Hill we are talking about tens of thousands of dollars.

King of the hill in pump fun

Now once the bundler launch has been executed, the token will look something like the following:

Bundled chart in pump fun

This is the moment when you decide to make the dump in Pump Fun to make profits. To do so, they apply the following mandatory step: Make a bundle sell.

Pump Bundled Sell interface on Pump.fun for bulk selling tokens. The form allows users to select a token, import private keys manually or via CSV upload, and execute a bundled sell order. A security notice at the bottom advises users to create a new wallet for added security.

To do this you must paste the addresses that were downloaded during the Pump Fun Bundler, as they have the tokens to be sold.

The private keys of the wallets are pasted and the Bundle Sell is generated, causing the token dump and, finally, executing the rug pull in Pump Fun

Why this is not recommended

This type of strategy is not recommended because it is an illegitimate way of making profits, and you can make much more money by making a legitimate project and winning really important investors.

Conclusions

This post shows only in an educational way how to execute one of the most controversial practices in the exchanges and does not constitute a financial advice or recommendation of any kind. It is recommended to launch a legitimate project of your own instead.

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